Current rules (ISAF format)

Old (pre ISAF) Rules

Comment
(blank = no significant change in wording)

New Number

New Title

Current Number

Current Title

A

Fundamental Rules

New

A.1

Status of Class Rules

New

A.1.1

New

ISAF def. - “closed class rules”

A.1.2

2.

One design principle

Minor change (“such” deleted)

A.1.3

Rules are By-law 1 of the Constitution

Follows rule 34 in current rules

A.2

Abbreviations

New

A.2.1

New

List of abbreviations - note ICA & RCA

A.3

Authority

New

A.3.1

New

ISAF and ICA will work together

A.3.2

New

No legal responsibility

A.4

Language

New

A.4.1

New

English is the official language

A.4.2

New

“Shall” is mandatory, “may” permissive

A.4.3

New

The measurement system is metric

A.5

ISAF Rules

New

A.5.1

New

Ref. to ERS and RRS

A.6

Interpretations

New

A.6.1

New

Chief measurer makes interpretations - same as our Constitution

A.7

Interpretations at an event

New

A.7.1

New

Defines how rules are interpreted

A.8

Event measurement

New

A.8.1

New

Defines how to resolve disputes at events.

B

Organization

New

B.1

Administration

New

B.1.1

New

WTCA administers

B.2

Fees and ISAF plaque

New

B.2.1

New

Builders to pay ISAF fee. Note:  There is also an annual fee of 200 GBP.

B.2.2

New

All hulls carry ISAF plaque

B.3

Measurement Certificate

New

B.3.1

New

No certificates issued.

B.4

Amendments

New

B.4.1

New

Amendments to  ISAF for approval

B.4.2

34.

Amendments

Amendments made as per constitution.

C

Conditions for Racing

C.1

Identification on Sails

C.1.1

21

first sentence, sail number as moulded in boat; where on sail

ISAF may require change (see 49er) to say number is same as number on ISAF plaque

C.1.2

sail letters & numbers shall comply with RRS

C.1.3

21

Location of sail letters & numbers

Letters below numbers, with ISAF  permission, ref. RRS Appendix H5

C.1.4-5

21

Alignment and size of numbers and letters

Same effect as 21, except for location of national letters.

C.2

Equipment

C.2.1

Limitations

C.2.1(a)

12.

First para, permitted changes due to “circumstances of supply”

C.2.1(b)

12.

Second para, No added functions

Minor changes in wording, “boat” replaces “hull, deck, spars, sails or equipment”

C.2.1(c)

31

Replacement of removable equipment during a regatta.

Wording is changed to cover the whole “boat” (i.e. all parts, sails, etc. as defined in ERS).  This appears to be the intent of the original rule.

C.2.1(d)

New

No adjustment to standing rigging, except with shroud sliders

C.2.1 (e)

New

No holes except to make repairs

C.2.2

Optional

C.2.2(a)

12(a)

Wind indicators

C.2.2(a)

22 (part)

Ref. to wind indicators

C.2.2(b)

12(b)

Additional tufts

C.2.2(c)

12(e)

Wedges under cleats

Second part of 12(e)

C.2.2(d)

12(u)

Packing under jib fairleads

C.2.2(e)

12(j)

Additional inspec. ports

C.2.2(f)

12(k)

Storage in cockpit

C.2.2(g)

12(l)

Two compasses allowed

C.2.2(h)

12(m)

Safety equip. allowed

C.2.2(i)

12(n)

Jib tack downhaul cleat

C.2.2(j)

12(o)

Shackles on clew board

C.2.2(k)

12(p)

Shroud pull backs

C.2.2(l)

12(q)

Outhaul fairlead on boom

C.2.2(m)

12(s)

Taping rotation handle

C.2.2(n)

12(t)

Centreboard restrictor

ERS defines board as daggerboard

C.2.3

Modifications

C.2.3(a)

10.

Tiller not restricted, must be removable

C.2.3(b)

9, part of 11.

Downhaul may include shockcord, uphaul may be added, tiller shall have a cleat for uphaul if fitted

C.2.3(c)

5.

C/B & rudder must be supplied by builder.  May be repaired

First sentence omitted, as it is covered by 2 (A.1.2), E.1.1.  Second sentence is included C.2.3(c) (wording is changed, covers hull)

C.2.3(d)

12(f)

Rigging mainsheet

Tolerance for strop is included, ref. to “as supplied by the builder” is deleted.

C.2.3(e)

12(g)

Traveller control line

C.2.3(f)

12(h)

Downhaul control line

C.2.3(g)

12(v)

Notched rotation stop

C.2.3(h)

22 (part)

Fittings to stow whisker pole on boom

C.2.4

Replacements from optional suppliers

C.2.4(a)

New

Fit replacements in same position as original

C.2.4(b)

12(c)

Replacing cleats

C.2.4(c)

12(e)

Boom vang cleats

First part of 12(e)

C.2.4(d)

12(d)

Replacing blocks

C.2.4(e)

New

Tiller extension is not restricted

C.2.4(f)

12(i)

Replacing inspec. ports

C.2.4(g)

22 (part)

Ref. to fittings to stow whisker pole

C.2.5

Repairs

26

Permitted repairs and replacements

Revised wording, taken from 49er rules.

C.3

Buoyancy

Watertight Integrity

C.3.1

15

Reasonable integrity required

C.3.2

15(a)

Watertight barrier behind compass

C.3.3

15(b)

Seal recessed compass

C.4

Location of Hull Appendages

C.4.1

7.

Rope handle allowed

C.4.2

8.

C/B safety line allowed

Original rule divided into 2 parts, no other change in wording

C.4.3

8.

padding allowed

C.5

Crew

C.5.1

28

Crew Provisions

C.6

Crew Weight

C.6.1

29(a)

Minimum crew weight

Change of wording in C.6.4

C.6.2

29(b)

Ballast required

C.6.3

29(c)

Weigh-in required

C.6.4

29(d)

Onus on crew

C.6.5

29(e)

Min can be lowered

C.7

Membership

C.7.1

32

Class Assoc. Membership

D.

Hull and Deck

Hull and Deck

D.1

Measurement

D.1.1

New

Rules in force when built apply

D.2

Builders

D.2.1

3.

Definition of builder

D.2.2

4 (a)

Tooling supplied by designer

D.3

Hull Weight

D.3.1

4 (b)

Minimum weight

D.3.2

4 (c)

Review of min. weight

D.3.3

4 (d)

Excess hull weight OK for crew ballast

E

Hull Appendages

Centreboard & Rudder

ISAF term is “daggerboard” (see definition E.1.5 in ERS)

E.1

Builders

E.1.1

New

Licensed builders

E.1.2

5

First part of 5 (“supplied by builder”)

E.2

Daggerboard

Defined in ERS

E.2.1

6.

C/B stop required

E.3.1

9.

Rudder shall have a downhaul.

E.3.2

11.

Tiller shall have a cleat for downhaul.

Rule is split to separate “shall” part from “may”part

F

Rig

F.1

Measurement

F.1.1

22 (part)

First sentence, up to end of “built to manufacturers spec...”

F.1.1

12(r)

Topmast stiffeners required

Stiffeners are required, so this rule is included in section F

F.1.3

14(a)

Forestay length

F.1.4

14(b)

Hounds to top of jib

Jib measurement point is “aft head point”, as specified in ERS.

F.1.5

24

Whisker pole

Ref. to end fittings deleted, as covered by ERS def. of whisker pole.

F.2

Manufacturers

F.2.1

Licensed manufacturers

F.3

Mast

F.3.1

23

No permanent bend

F.4

Rigging

F.4.1

13

Sheets may be changed

F.4.2

14

Wire and line

F.4.3

14(c)

Wire spec, rolled swages permitted

G.

Sails

Sails

G.1.2

31

(last part of 31)

2 jibs may be measured at an event

G.2

Sailmakers

G.2.1

16

Accuracy of sail cutting

Revised wording.  Revised wording.  Ref. to “accuracy of a Gerber cutting system 90” is deleted

G.2.2

17

first para, no recutting allowed

G.2.3

17

second para, leech take up allowed

G.3

Mainsail

G.3.1

20

Class emblem

“Emblem” changed to “Insignia”

G.4

Jib

G.4.1

19

Jib can be poled to leeward

G.5

Battens

G.5.1

18

Battens solid frp

App. 1

App. 1.1

33.

Wind speed limits

App. 1.2

33.

Wind speed limits

Effective date

At end of Appendix 1.

1. Object

Omitted, not required in rules

-

22 (part)

Ref. to adjustable
diamond stays

Ref. to adjustable diamond stays is unnecessary, and is omitted.

-

22 (part)

Measurement from hounds to base of mast

Omitted, would be rewritten and included as F.1.5 if necessary.

25

No anchor required

Deleted

-

27

Hull coatings

Deleted - covered by RRS

-

30

Clothing and Personal Equipment

Deleted - see RRS 43

Signature of Exec. Sec.

Not required